Update libcups to v2.2.1 am: bfe95db54f
am: aa24d4b551

Change-Id: Ifa043b52270346ddb7139d2d9ebc58193688c08f
tree: d1f6810ea9709047bfff1db1a371855bec4179e2
  1. cups/
  2. filter/
  3. LICENSE.txt
  4. update_libcups.sh